Jefferson County, Kansas Zip Codes

Zip Code	City	Population
66512	Meriden	3,061
66066	Oskaloosa	2,803
66054	McLouth	2,717
66088	Valley Falls	2,655
66073	Perry	2,444
66070	Ozawkie	2,230
66060	Nortonville	1,353
66097	Winchester	1,016
66429	Grantville	432

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.